277期：必中24码（02,06,08,10,11,13,14,16,17,19,22,23,24,26,30,31,32,34,35,37,39,46,48,49）开：16中
278期：必中24码（01,03,06,07,09,10,15,16,18,22,25,31,33,34,35,37,38,40,41,42,43,45,47,49）开：28错
279期：必中24码（01,03,05,08,10,11,13,14,15,16,17,20,22,24,29,33,34,35,38,39,42,43,47,48）开：27错
280期：必中24码（02,06,07,09,10,11,13,16,18,20,21,22,23,25,26,27,29,30,31,32,33,37,40,44）开：00